CN113841656B - Novel amphibian migration data investigation device and method thereof - Google Patents
Novel amphibian migration data investigation device and method thereof Download PDFInfo
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- CN113841656B CN113841656B CN202111104390.3A CN202111104390A CN113841656B CN 113841656 B CN113841656 B CN 113841656B CN 202111104390 A CN202111104390 A CN 202111104390A CN 113841656 B CN113841656 B CN 113841656B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention belongs to the field of wild animal investigation, and particularly relates to a novel amphibian migration data investigation device and a method thereof.
Description
Technical Field
The invention belongs to the field of wild animal investigation, and particularly relates to a novel amphibian migration data investigation device and a method thereof.
Background
The wild animal resource survey is an important component of wild animal management work and is basic work for protecting, developing and utilizing wild animal resources. Amphibians are a transition type from aquatic to terrestrial in vertebrates, have the characteristics of both aquatic vertebrates and terrestrial vertebrates, and occupy an important position in the evolution process of the vertebrates. Amphibians are also important intermediate groups in the food chain and ecosystem, and play an important role in maintaining the integrity and health of the ecosystem. The amphibian is considered as an important indication group of environmental health and is a key early warning system for monitoring environmental change due to weak migration ability, strong skin permeability, amphibious life history, weak environmental change resistance and influence of ecological environmental change of the land. Over the last 50 years, global amphibians have been exposed to a variety of threats and have experienced rapid population decline and species extinction, and therefore, long-term, systematic monitoring of amphibian populations has been an urgent need to deal with crisis.
At present, the investigation method of the amphibian mainly comprises a sample line method, a sample method, a fence trap method, an artificial shelter method, a mark recapture method, a fixed-point sound monitoring method and the like. The selection of a specific survey method is determined according to the habitat conditions and the characteristics of a survey object, and multiple methods are often combined. The line-sampling method, the sample-sampling method, the artificial shelter method and the mark recapture method usually consume a great deal of manpower, and the fence trap method easily causes the death of animals in the trap.
Disclosure of Invention
The invention aims to provide a novel amphibian migration data investigation device and a method thereof, which can avoid interfering animals and automatically collect data, and in order to realize the aim, the technical scheme adopted by the invention is as follows:
the utility model provides a novel amphibian migration data investigation device, is including setting up at underground box, the box is provided with opening cavity up, and its opening tip is provided with the transparent plate, the transparent plate flushes with ground, the transparent plate side is provided with lighting device, and shines the direction orientation the side tip of transparent plate, be provided with camera device in the box, camera device sets up the transparent plate below, and shoot the direction orientation the transparent plate.
Furthermore, the lighting device is an LED infrared lamp strip, the LED infrared lamp strips are arranged on four sides of the transparent plate, and a high-transmittance infrared filter is arranged at the shooting end of the camera device.
Furthermore, the inner side of the opening end of the box body is provided with a protruding part, the transparent plate is arranged on the protruding part, and a pressure sensor is arranged between the transparent plate and the protruding part.
Furthermore, a canopy is fixedly connected to the top of the box body through a supporting frame, a rainwater collecting assembly used for collecting rainwater is arranged below the edge of the canopy, a water discharging end of the rainwater collecting assembly is connected with a cleaning assembly, and the cleaning assembly is used for cleaning the top of the transparent plate.
Furthermore, the rainwater collection assembly comprises a collection hopper fixedly connected with the support frame, an opening at the top of the collection hopper is arranged below one side edge of the rain shelter, the bottom of the collection hopper is communicated with a water storage ball, the water storage ball is connected with the support frame, and the bottom of the water storage ball is communicated with the cleaning assembly.
Furthermore, an overflow pipe is fixedly arranged on the water storage ball, one end of the overflow pipe is arranged inside the water storage ball and is arranged at the upper end of the water storage ball, and the other end of the overflow pipe extends out of the water storage ball.
Furthermore, the cleaning component comprises a water outlet plate fixedly connected with the supporting frame, the water outlet plate is arranged on one side of the transparent plate, a plurality of water drainage holes are formed in the water outlet plate, one end of each water drainage hole is communicated with a water drainage end of the rainwater collecting component, and the other end of each water drainage hole faces the transparent plate;
the bottom of the scraper is abutted to the transparent plate, one side of the scraper is blocked with the drain hole, and the support frame is provided with a driving device for driving the scraper to slide.
Furthermore, one side of the scraper is provided with a plurality of water plugging pins which correspond to the plurality of drain holes one by one, the end parts of the water plugging pins are provided with elastic parts, the diameter of each elastic part is larger than that of each water plugging pin and each water plugging pin is of a conical structure, each drain hole comprises a vertical hole part and a conical hole part, the vertical hole part is vertically arranged, the top of each vertical hole part is communicated with the drain end of the rainwater collection assembly, the bottom of each vertical hole part is communicated with the conical hole part, and the conical hole part is of a conical hole structure matched with the elastic parts.
Furthermore, fences are arranged on two sides of the box body, and the transparent plate is arranged between the fences on the two sides.
An amphibian migration data investigation method adopting the investigation device comprises the following steps:
s1, digging a pit matched with the box body in an investigated area, and burying the box body in the pit in a sinking mode;
s2, adjusting the height of the box body in the pit to enable the transparent plate to be in a state of being flush with the ground;
s3, when the amphibian passes through, the lighting device is started to irradiate the end part of the side surface of the transparent plate, so that light rays are totally internally reflected in the transparent plate;
s4, feet, the abdomen and other parts of the amphibian contact the transparent plate, total internal reflection of a contact area is weakened, light in the area is scattered outwards, the camera device captures light scattered by the contact area for imaging, and the amphibian is identified through the shape of the light imaging;
and S5, collecting and summarizing data captured by the camera device.
The invention has the following beneficial effects:
1. compared with the traditional fence trap method, the device disclosed by the patent can enable the amphibians to pass through the device instead of falling into the trap, so that the normal migration activity of the amphibians is not influenced, and the death of the animals caused by the fact that the animals fall into the trap and are not treated in time can be avoided;
2. the migration time of the amphibians can be accurately recorded, so that the accurate control of the migration and activity rhythms of the amphibians is facilitated, and the scientific research of the amphibians is facilitated;
3. compared with the traditional line sampling method, the traditional sampling method and the traditional mark recapture method, the device disclosed by the patent initially realizes the automation of data acquisition and reading, is the future development direction of animal investigation and monitoring, has an obvious effect on amphibians with strong concealment, and can effectively reduce the input of manpower.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a schematic top view;
fig. 4 is a schematic view of the water outlet plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The utility model provides a novel amphibian migration data investigation device, is including setting up box 1 in the underground, box 1 is provided with opening cavity up, and its opening tip is provided with transparent plate 3, transparent plate 3 flushes with ground, 3 sides of transparent plate are provided with lighting device 6, and shine the direction orientation the side tip of transparent plate 3, be provided with camera device 5 in the box 1, camera device 5 sets up transparent plate 3 below, and shoot the direction orientation transparent plate 3.
The transparent plate 3 is a transparent acrylic plate, the illuminating device 6 is an LED infrared lamp strip, the LED infrared lamp strip irradiates the side surface of the transparent plate 3 from the horizontal direction, a restrained total reflection phenomenon is formed in the transparent plate 3, the restrained total reflection is that light carries out total internal reflection in a medium and is limited in the medium, and when the boundary condition of the medium changes, the total internal reflection is weakened. The light scattered by the contact area can be clearly imaged by the frustrated total reflection, so that the contact area and the non-contact area are distinguished. Besides visible light, the monitoring is effectively realized for amphibians with strong night walking and poor visual ability, and meanwhile, the interference to animal behaviors is avoided.
The amphibious animal investigation device designed by the principle takes the LED infrared lamp strip as a light source and the transparent acrylic plate as a medium, when an amphibious animal passes through the amphibious animal, parts such as feet, abdomen and the like are in contact with the medium, infrared light in a contact area is scattered, the light scattered in the contact area can be captured by the camera device 5 for imaging, the amphibious animal is identified by the shape of the light image, and the purpose of collecting the type and quantity information of the amphibious animal during migration is achieved.
Further, the illuminating device 6 is an LED infrared light bar, the LED infrared light bars are disposed on four sides of the transparent plate 3, and the shooting end of the camera device 5 is provided with a high-transmittance infrared filter 4.
Specifically, 1 inboard of box is provided with the mounting groove with the adaptation of LED infrared lamp strip, LED infrared lamp strip is installed in the mounting groove, transparent plate 3 is the cuboid structure, LED infrared lamp strip is provided with four, distribute at 3 four sides of transparent plate, LED infrared lamp strip wavelength is 940nm, the luminous direction is towards transparent acrylic plate center, camera device 5 is wide angle high definition infrared camera, be provided with the storage device who connects camera device 5 in the box 1, the infrared light formation of image on the transparent plate 3 can be shot to wide angle high definition infrared camera, save in storage device with video form through data transmission line, high pass through infrared filter 4 is the high pass through infrared filter of 800nm, can filter the light that the wavelength is below 800nm, and keep the light more than 800 nm. Therefore, the interference of visible light (the visible light wavelength range is 380-780 nm) is prevented, and the imaging effect of infrared light is improved.
Furthermore, the inner side of the opening end of the box body 1 is provided with a protruding part, the transparent plate 3 is arranged on the protruding part, and a pressure sensor 7 is arranged between the transparent plate 3 and the protruding part.
The inner side of the opening end face of the box body 1 is also provided with a sealing ring 8, and the sealing ring 8 is sleeved on the outer side face of the transparent plate 3 to form a sealed waterproof structure.
Specifically, still be provided with the controller in the box 1, the controller is connected with pressure sensor 7, during the implementation, when the amphibian passes through transparent plate 3, can exert pressure to transparent plate 3, and this pressure can be caught and turn into pressure signal by pressure sensor 7, and the controller turns into control signal with pressure signal, and then opens LED infrared lamp strip, and the infrared camera of wide angle high definition begins to shoot.
On the contrary, when no amphibian passes through the transparent plate 3, the LED infrared lamp strip is closed, the wide-angle high-definition infrared camera stops shooting, the pressure trigger device effectively improves the efficiency of data acquisition, the workload of acquiring effective data from the shot video in the later period is greatly reduced, and the electric energy is saved.
Further, the top of the box body 1 is fixedly connected with a rain shelter 20 through a support frame 2, a rainwater collecting assembly used for collecting rainwater is arranged below the edge of the rain shelter 20, a water discharging end of the rainwater collecting assembly is connected with a cleaning assembly, and the cleaning assembly is used for cleaning the top of the transparent plate 3.
Specifically, rainshelter 20 is "V" font structure of falling, and its both ends height is low, and the centre hunches, and the rainwater is collected the subassembly and is set up in its high lower one side edge below, after being covered with the vestige on transparent plate 3, and clean subassembly can effectively be clean, avoids unable discernment formation of image.
Further, the rainwater collection assembly comprises a collection hopper 17 fixedly connected with the support frame 2, an opening in the top of the collection hopper 17 is arranged below the edge of one side of the rain shelter 20, the bottom of the collection hopper is communicated with a water storage ball 16, the water storage ball 16 is connected with the support frame 2, and the bottom of the water storage ball is communicated with the cleaning assembly.
Specifically, the collecting hopper 17 is of a funnel-shaped structure, the bottom opening area of which is small, and the top opening area of which is large, so that rainwater can enter the collecting hopper, and the top opening is arranged below one side edge of the rain shelter 20.
Further, an overflow pipe 18 is fixedly arranged on the water storage ball 16, one end of the overflow pipe 18 is arranged inside the water storage ball 16 and at the upper end of the water storage ball 16, and the other end of the overflow pipe 18 extends out of the water storage ball 16.
Further, the cleaning assembly comprises a water outlet plate 14 fixedly connected with the support frame 2, the water outlet plate 14 is arranged on one side of the transparent plate 3, a plurality of water drainage holes are formed in the water outlet plate 14, one end of each water drainage hole is communicated with a water drainage end of the rainwater collecting assembly, and the other end of each water drainage hole faces the transparent plate 3;
the bottom of the scraper blade 9 is abutted to the transparent plate 3, one side of the scraper blade 9 is blocked with the drain hole, and the support frame 2 is provided with a driving device for driving the scraper blade 9 to slide.
Specifically, a gap is formed between the end part of one side of the transparent plate 3 and the water outlet plate 14, rainwater drips to the edge of the transparent plate 3 from the water drain hole, and then in the reciprocating motion process of the scraper 9, rainwater is attached to the bottom of the scraper 9 to clean the top of the transparent plate 3, the bottom of the scraper 9 is also provided with a friction part 10, and the friction part 10 can be made of rubber, sponge, felt and the like.
This device is in the in-service use in-process, because the amphibian often carries mucus and silt on one's body, can be to leaving the vestige when passing through transparent plate 3, the imaging effect can be influenced to the vestige too much. The transparent plate 3 is periodically cleaned by the squeegee 9, and animal traces can be removed.
Furthermore, one side of the scraper 9 is provided with a plurality of water blocking pins 11, the water blocking pins correspond to the plurality of drain holes one by one, the end portions of the water blocking pins 11 are provided with elastic portions, the diameters of the elastic portions are larger than those of the water blocking pins 11, the elastic portions are of conical structures, the drain holes comprise vertical hole portions 13 and conical hole portions 12, the vertical hole portions 13 are vertically arranged, the tops of the vertical hole portions are communicated with the drain ends of the rainwater collecting assemblies, the bottoms of the vertical hole portions are communicated with the conical hole portions 12, and the conical hole portions 12 are of conical hole structures matched with the elastic portions.
Specifically, the elastic part is made of rubber, the diameter of the elastic part is slightly larger than that of the water blocking pin 11 in a natural state, when the elastic part is inserted into the conical hole part 12, the elastic part is extruded and deformed, and the conical structure of the elastic part is matched with the conical hole part 12 to effectively seal the conical hole part 12 and prevent water leakage.
In addition, the top of the water outlet plate 14 is connected with a water diversion pipe 15, the water diversion pipe 15 is provided with a plurality of output ends, the water diversion pipe 15 is connected with the top of the water outlet plate 14 through a connector and is in one-to-one correspondence with the vertical hole parts 13, the top of the water diversion pipe 15 is provided with an input end, the top and the bottom of the water storage ball 16 are respectively communicated with an opening at the bottom of the collecting hopper 17 and the input end of the water diversion pipe 15 through water pipes, and the water diversion pipe 15 plays a role in dispersing water in the water storage ball 16 into the vertical hole parts 13.
Specifically, support frame 2 includes the bracing piece of four vertical settings, distributes at 1 top of box four ends, and 1 top of its bottom fixed connection box, top fixed connection rainshelter 20 bottom, collects and fights 17 side fixed connection on two bracing pieces of homonymy, and 2 both sides fixedly connected with connecting plates 22 that carry on the back mutually of support frame, two bracing pieces of connecting plates 22 fixed connection homonymy, connecting plate 22 set up and fight 17 below, its fixed connection water storage ball 16 side collecting.
The driving device in the invention is a linear guide rail 21, and two linear guide rails are arranged side by side, the linear guide rail 21 is horizontally arranged above the transparent plate 3, two ends of the linear guide rail 21 are fixedly connected with the connecting plates 22 at two sides, and the slide block of the linear guide rail 21 is fixedly connected with the top of the scraper 9 through a connecting rod 23.
In addition, the linear guide rail 21 is connected with a controller and a time controller in the box body 1, the time controller enables the linear guide rail 21 to act regularly to realize the function of cleaning the transparent plate 3 regularly, and when the controller receives an electric signal of the pressure sensor 7, namely when animals pass through the transparent plate 3, the linear guide rail 21 is in a stop state to avoid the scraping plate 9 from impacting and influencing the animals.
Further, two sides of the box body 1 are provided with fences 24, and the transparent plate 3 is arranged between the fences 24 of the two sides.
The fence 24 can be canvas, plastic canopy cloth or screen window, etc., and is cut into a strip with a certain length and a height of 40-50cm according to the requirement, and two ends are tensioned and fixed by battens or iron bars, and can also be directly fixed on the tree. Digging a ditch with the depth of 5-10cm and the same length as the fence by using a hoe, then burying the fence in the ditch by using the dug soil, and removing obstacles such as branches, stones and the like at the edge of the fence. The main effect of rail is that the amphibian is utilized in the ground movement process, meets the habit that the barrier can move along the edge, can guide the animal to the transparent plate 3 through the rail, increases the probability that the animal passes through the data acquisition device, is about 135 degrees of contained angle between the rail 24 of both sides.
The power supply system can adopt lap joint 220V alternating current to supply power for electric components such as a controller, a linear guide rail 21, a camera device 5 and a pressure sensor 7, and can also be replaced by a solar power supply system in the field with sufficient light.
The invention also comprises an amphibian migration data investigation method adopting the investigation device, which comprises the following steps:
s1, digging a pit matched with the box body 1 in an investigated area, and burying the box body 1 in the pit in a sinking mode;
s2, adjusting the height of the box body 1 in the pit to enable the transparent plate 3 to be in a state of being flush with the ground;
s3, when the amphibian passes through, the lighting device 6 is started to irradiate the end part of the side surface of the transparent plate 3, so that light rays are totally reflected in the transparent plate 3;
s4, feet, the abdomen and the like of the amphibian are in contact with the transparent plate 3, total internal reflection of a contact area is weakened, light in the area is scattered outwards, the camera device 5 captures light scattered by the contact area for imaging, and the amphibian is identified through the shape of the light imaging;
and S5, collecting and summarizing data captured by the camera device 5.
The working process of the invention is as follows:
an acquisition stage: when the amphibian passes through the transparent plate 3, parts such as feet and abdomen contact with the medium, the pressure sensor 7 transmits an electric signal to the controller, the illuminating device 6 is started, the camera device 5 is opened, infrared light of a contact area is scattered, the camera device 5 is utilized to capture light imaging of the scattering of the contact area, the amphibian is identified through the shape of the light imaging, the purpose of information acquisition of the amphibian is achieved, when no amphibian passes through the transparent plate 3, the illuminating device 6 is closed, and the camera device 5 stops shooting.
A cleaning stage: the linear guide rail 21 drives the scraper blade 9 periodically to wipe the top of the transparent plate 3, rainwater collected by the water storage ball 16 drips to the edge of the transparent plate 3 from the drain hole in the process, then rainwater is attached to the bottom of the scraper blade 9 in the reciprocating motion process of the scraper blade 9 to wipe the top of the transparent plate 3 clean, and after cleaning is completed, the drain hole is plugged by the water plugging pin 11 to form sealing.
The above-described embodiments are only intended to describe the preferred embodiments of the present invention, and not to limit the scope of the present invention, and various modifications, variations, modifications, and substitutions which may be made by those skilled in the art to the technical solution of the present invention without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.
Claims (5)
1. The utility model provides a novel amphibian migration data investigation device which characterized in that: the portable type solar energy storage box comprises a box body (1) arranged underground, wherein the box body (1) is provided with a cavity with an upward opening, the end part of the opening is provided with a transparent plate (3), the transparent plate (3) is flush with the ground, the side surface of the transparent plate (3) is provided with a lighting device (6), the irradiation direction faces the end part of the side surface of the transparent plate (3), a camera device (5) is arranged in the box body (1), the camera device (5) is arranged below the transparent plate (3), and the shooting direction faces the transparent plate (3);
the illuminating device (6) is an LED infrared lamp strip, the LED infrared lamp strips are arranged on four sides of the transparent plate (3), and a high-transmittance infrared filter (4) is arranged at the shooting end of the camera device (5);
a bulge is arranged on the inner side of the opening end of the box body (1), the transparent plate (3) is arranged on the bulge, and a pressure sensor (7) is arranged between the transparent plate (3) and the bulge;
the top of the box body (1) is fixedly connected with a rain shelter (20) through a support frame (2), a rainwater collecting assembly for collecting rainwater is arranged below the edge of the rain shelter (20), the water discharging end of the rainwater collecting assembly is connected with a cleaning assembly, and the cleaning assembly is used for cleaning the top of the transparent plate (3);
the cleaning assembly comprises a water outlet plate (14) fixedly connected with the support frame (2), the water outlet plate (14) is arranged on one side of the transparent plate (3), a plurality of water drainage holes are formed in the water outlet plate (14), one end of each water drainage hole is communicated with the water drainage end of the rainwater collecting assembly, and the other end of each water drainage hole faces the transparent plate (3);
the bottom of the scraper (9) is abutted against the transparent plate (3), one side of the scraper (9) is blocked with the drain hole, and a driving device for driving the scraper (9) to slide is arranged on the support frame (2);
one side of the scraper (9) is provided with a plurality of water plugging pins (11) which are in one-to-one correspondence with a plurality of drain holes, the end parts of the water plugging pins (11) are provided with elastic parts, the diameters of the elastic parts are larger than those of the water plugging pins (11) and are of conical structures, each drain hole comprises a vertical hole part (13) and a conical hole part (12), the vertical hole parts (13) are vertically arranged, the tops of the vertical hole parts are communicated with the water drainage ends of the rainwater collection assemblies, the bottoms of the vertical hole parts are communicated with the conical hole parts (12), and the conical hole parts (12) are of conical hole structures matched with the elastic parts.
2. The novel amphibian migration data investigation device of claim 1, wherein: the rainwater collection assembly comprises a collection hopper (17) fixedly connected with the support frame (2), an opening at the top of the collection hopper (17) is arranged below the edge of one side of the rain shelter (20), the bottom of the collection hopper is communicated with a water storage ball (16), the water storage ball (16) is connected with the support frame (2), and the bottom of the collection hopper is communicated with the cleaning assembly.
3. The novel amphibian migration data investigation device of claim 2, wherein: an overflow pipe (18) is fixedly arranged on the water storage ball (16), one end of the overflow pipe (18) is arranged inside the water storage ball (16) and is arranged at the upper end of the water storage ball (16), and the other end of the overflow pipe (18) extends out of the water storage ball (16).
4. The novel amphibian migration data investigation device of claim 1, wherein: the two sides of the box body (1) are provided with fences (24), and the transparent plate (3) is arranged between the fences (24) on the two sides.
5. An amphibian migration data investigation method using the investigation apparatus according to any one of claims 1-4, wherein: the method comprises the following steps:
s1, digging a pit matched with the box body (1) in an investigated area, and burying the box body (1) in the pit;
s2, adjusting the height of the box body (1) in the pit to enable the transparent plate (3) to be in a state of being flush with the ground;
s3, when the amphibian passes through, the lighting device (6) is started to irradiate the end part of the side surface of the transparent plate (3) so that light rays are totally internally reflected in the transparent plate (3);
s4, feet and the abdomen of the amphibian are in contact with the transparent plate (3), total internal reflection of a contact area is weakened, light in the area is scattered outwards, the camera device (5) captures light scattered by the contact area for imaging, and the amphibian is identified through the shape of the light image;
and S5, collecting and summarizing data captured by the camera device (5).
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